MAINTAINER:=Daniel Golle <daniel@makrotopia.org>
-KERNEL_PATCHVER:=4.4
+KERNEL_PATCHVER:=4.1
include $(INCLUDE_DIR)/target.mk
--- /dev/null
+CONFIG_ALIGNMENT_TRAP=y
+# CONFIG_APM_EMULATION is not set
+CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y
+CONFIG_ARCH_HAS_ELF_RANDOMIZE=y
+CONFIG_ARCH_HAS_GCOV_PROFILE_ALL=y
+CONFIG_ARCH_HAS_RESET_CONTROLLER=y
+CONFIG_ARCH_HAS_SG_CHAIN=y
+CONFIG_ARCH_HAS_TICK_BROADCAST=y
+CONFIG_ARCH_HAVE_CUSTOM_GPIO_H=y
+CONFIG_ARCH_HIBERNATION_POSSIBLE=y
+CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y
+CONFIG_ARCH_NR_GPIO=0
+CONFIG_ARCH_OXNAS=y
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
+# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
+CONFIG_ARCH_SUPPORTS_ATOMIC_RMW=y
+CONFIG_ARCH_SUPPORTS_UPROBES=y
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_ARCH_USE_BUILTIN_BSWAP=y
+CONFIG_ARCH_USE_CMPXCHG_LOCKREF=y
+CONFIG_ARCH_WANT_GENERAL_HUGETLB=y
+CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
+CONFIG_ARCH_WANT_LIBATA_LEDS=y
+CONFIG_ARM=y
+CONFIG_ARM_CPUIDLE=y
+# CONFIG_ARM_CPU_SUSPEND is not set
+CONFIG_ARM_DMA_IOMMU_ALIGNMENT=8
+CONFIG_ARM_DMA_USE_IOMMU=y
+CONFIG_ARM_GIC=y
+CONFIG_ARM_HAS_SG_CHAIN=y
+CONFIG_ARM_L1_CACHE_SHIFT=5
+CONFIG_ARM_PATCH_PHYS_VIRT=y
+# CONFIG_ARM_CCI400_PMU is not set
+CONFIG_ARM_SMMU=y
+CONFIG_ARM_THUMB=y
+CONFIG_ARM_UNWIND=y
+CONFIG_ATA_LEDS=y
+CONFIG_AUTO_ZRELADDR=y
+# CONFIG_BLK_DEV_INITRD is not set
+CONFIG_BLK_DEV_SD=y
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC=y
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=1
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC=y
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=1
+# CONFIG_CACHE_L2X0 is not set
+CONFIG_CLKDEV_LOOKUP=y
+CONFIG_CLKSRC_MMIO=y
+CONFIG_CLKSRC_OF=y
+CONFIG_CLKSRC_RPS_TIMER=y
+CONFIG_CLONE_BACKWARDS=y
+CONFIG_CMDLINE="console=ttyS0,115200n8 earlyprintk=serial"
+CONFIG_COMMON_CLK=y
+# CONFIG_COMMON_CLK_PWM is not set
+CONFIG_COMPACTION=y
+CONFIG_CONSOLE_POLL=y
+CONFIG_COREDUMP=y
+CONFIG_CPU_32v6=y
+CONFIG_CPU_32v6K=y
+CONFIG_CPU_ABRT_EV6=y
+# CONFIG_CPU_BPREDICT_DISABLE is not set
+CONFIG_CPU_CACHE_V6=y
+CONFIG_CPU_CACHE_VIPT=y
+CONFIG_CPU_COPY_V6=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+CONFIG_CPU_HAS_ASID=y
+# CONFIG_CPU_ICACHE_DISABLE is not set
+CONFIG_CPU_IDLE=y
+CONFIG_CPU_IDLE_GOV_LADDER=y
+CONFIG_CPU_IDLE_GOV_MENU=y
+CONFIG_CPU_PABRT_V6=y
+CONFIG_CPU_PM=y
+CONFIG_CPU_RMAP=y
+CONFIG_CPU_TLB_V6=y
+CONFIG_CPU_V6K=y
+CONFIG_CRC16=y
+# CONFIG_CRC32_SARWATE is not set
+CONFIG_CRC32_SLICEBY8=y
+CONFIG_CRYPTO_DEFLATE=y
+CONFIG_CRYPTO_LZO=y
+CONFIG_CRYPTO_XZ=y
+CONFIG_DCACHE_WORD_ACCESS=y
+CONFIG_DEBUG_ICEDCC=y
+CONFIG_DEBUG_LL=y
+CONFIG_DEBUG_LL_INCLUDE="debug/icedcc.S"
+# CONFIG_DEBUG_UART_8250 is not set
+# CONFIG_DEBUG_USER is not set
+CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=8
+CONFIG_DETECT_HUNG_TASK=y
+CONFIG_DIRECT_IO=y
+CONFIG_DMADEVICES=y
+CONFIG_DMA_CACHE_FIQ_BROADCAST=y
+# CONFIG_DMA_CACHE_RWFO is not set
+CONFIG_DMA_ENGINE=y
+CONFIG_DMA_OF=y
+CONFIG_DNOTIFY=y
+CONFIG_DTC=y
+CONFIG_DT_IDLE_STATES=y
+# CONFIG_DW_DMAC_PCI is not set
+CONFIG_EARLY_PRINTK=y
+CONFIG_FIQ=y
+CONFIG_GENERIC_ALLOCATOR=y
+CONFIG_GENERIC_BUG=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
+CONFIG_GENERIC_IDLE_POLL_SETUP=y
+CONFIG_GENERIC_IO=y
+CONFIG_GENERIC_IRQ_SHOW=y
+CONFIG_GENERIC_IRQ_SHOW_LEVEL=y
+CONFIG_GENERIC_PCI_IOMAP=y
+CONFIG_GENERIC_PINCONF=y
+CONFIG_GENERIC_SCHED_CLOCK=y
+CONFIG_GENERIC_SMP_IDLE_THREAD=y
+CONFIG_GENERIC_STRNCPY_FROM_USER=y
+CONFIG_GENERIC_STRNLEN_USER=y
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_DEVRES=y
+CONFIG_GPIO_GENERIC=y
+CONFIG_GPIO_GENERIC_PLATFORM=y
+CONFIG_GPIO_SYSFS=y
+CONFIG_HANDLE_DOMAIN_IRQ=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_HAS_DMA=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT_MAP=y
+# CONFIG_HAVE_64BIT_ALIGNED_ACCESS is not set
+CONFIG_HAVE_ARCH_AUDITSYSCALL=y
+# CONFIG_HAVE_ARCH_BITREVERSE is not set
+CONFIG_HAVE_ARCH_JUMP_LABEL=y
+CONFIG_HAVE_ARCH_KGDB=y
+CONFIG_HAVE_ARCH_PFN_VALID=y
+CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_HAVE_ARM_SCU=y
+CONFIG_HAVE_ARM_TWD=y
+# CONFIG_HAVE_BOOTMEM_INFO_NODE is not set
+CONFIG_HAVE_BPF_JIT=y
+CONFIG_HAVE_CC_STACKPROTECTOR=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_CLK_PREPARE=y
+CONFIG_HAVE_CONTEXT_TRACKING=y
+CONFIG_HAVE_C_RECORDMCOUNT=y
+CONFIG_HAVE_DEBUG_KMEMLEAK=y
+CONFIG_HAVE_DMA_API_DEBUG=y
+CONFIG_HAVE_DMA_ATTRS=y
+CONFIG_HAVE_DMA_CONTIGUOUS=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
+CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_HAVE_IDE=y
+CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZ4=y
+CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_HAVE_KERNEL_LZO=y
+CONFIG_HAVE_KERNEL_XZ=y
+CONFIG_HAVE_MEMBLOCK=y
+CONFIG_HAVE_MOD_ARCH_SPECIFIC=y
+CONFIG_HAVE_NET_DSA=y
+CONFIG_HAVE_OPROFILE=y
+CONFIG_HAVE_OPTPROBES=y
+CONFIG_HAVE_PERF_EVENTS=y
+CONFIG_HAVE_PERF_REGS=y
+CONFIG_HAVE_PERF_USER_STACK_DUMP=y
+CONFIG_HAVE_PROC_CPU=y
+CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
+CONFIG_HAVE_SMP=y
+CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
+CONFIG_HAVE_UID16=y
+CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y
+CONFIG_HOTPLUG_CPU=y
+# CONFIG_HSU_DMA_PCI is not set
+CONFIG_HZ_FIXED=0
+CONFIG_I2C=y
+CONFIG_I2C_ALGOBIT=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_ICPLUS_PHY=y
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+CONFIG_INET_UDP_DIAG=y
+CONFIG_INPUT=y
+# CONFIG_INPUT_MISC is not set
+CONFIG_IOMMU_API=y
+CONFIG_IOMMU_HELPER=y
+CONFIG_IOMMU_IO_PGTABLE=y
+CONFIG_IOMMU_IO_PGTABLE_LPAE=y
+# CONFIG_IOMMU_IO_PGTABLE_LPAE_SELFTEST is not set
+CONFIG_IOMMU_SUPPORT=y
+# CONFIG_IP_ADVANCED_ROUTER is not set
+# CONFIG_IP_MULTICAST is not set
+CONFIG_IP_PNP=y
+# CONFIG_IP_PNP_BOOTP is not set
+CONFIG_IP_PNP_DHCP=y
+# CONFIG_IP_PNP_RARP is not set
+CONFIG_IRQCHIP=y
+CONFIG_IRQ_DOMAIN=y
+CONFIG_IRQ_DOMAIN_HIERARCHY=y
+CONFIG_IRQ_FORCED_THREADING=y
+CONFIG_IRQ_TIME_ACCOUNTING=y
+CONFIG_IRQ_WORK=y
+# CONFIG_ISDN is not set
+# CONFIG_JFFS2_FS is not set
+CONFIG_JUMP_LABEL=y
+CONFIG_KALLSYMS=y
+CONFIG_KALLSYMS_ALL=y
+CONFIG_KGDB=y
+# CONFIG_KGDB_KDB is not set
+CONFIG_KGDB_SERIAL_CONSOLE=y
+# CONFIG_KGDB_TESTS is not set
+# CONFIG_LDM_DEBUG is not set
+CONFIG_LDM_PARTITION=y
+# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set
+# CONFIG_LEDS_TRIGGER_NETDEV is not set
+# CONFIG_LEDS_TRIGGER_TIMER is not set
+CONFIG_LIBFDT=y
+CONFIG_LOCKUP_DETECTOR=y
+CONFIG_LOCK_SPIN_ON_OWNER=y
+CONFIG_LZ4_COMPRESS=y
+CONFIG_LZ4_DECOMPRESS=y
+CONFIG_LZO_COMPRESS=y
+CONFIG_LZO_DECOMPRESS=y
+CONFIG_MACH_OX820=y
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_MAILBOX=y
+CONFIG_MDIO_BOARDINFO=y
+CONFIG_MFD_SYSCON=y
+CONFIG_MIGHT_HAVE_PCI=y
+CONFIG_MIGRATION=y
+CONFIG_MODULES_USE_ELF_REL=y
+# CONFIG_MODULE_STRIPPED is not set
+# CONFIG_MTD_CFI is not set
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+CONFIG_MTD_NAND=y
+CONFIG_MTD_NAND_ECC=y
+CONFIG_MTD_NAND_OXNAS=y
+CONFIG_MTD_NAND_PLATFORM=y
+CONFIG_MTD_SPLIT_FIRMWARE=y
+CONFIG_MTD_UBI=y
+CONFIG_MTD_UBI_BEB_LIMIT=20
+CONFIG_MTD_UBI_BLOCK=y
+# CONFIG_MTD_UBI_FASTMAP is not set
+# CONFIG_MTD_UBI_GLUEBI is not set
+CONFIG_MTD_UBI_WL_THRESHOLD=4096
+CONFIG_MTD_UIMAGE_SPLIT=y
+CONFIG_MULTI_IRQ_HANDLER=y
+CONFIG_MUTEX_SPIN_ON_OWNER=y
+CONFIG_NEED_DMA_MAP_STATE=y
+CONFIG_NEED_SG_DMA_LENGTH=y
+CONFIG_NET_FLOW_LIMIT=y
+CONFIG_NET_PTP_CLASSIFY=y
+CONFIG_NLS=y
+CONFIG_NO_BOOTMEM=y
+CONFIG_NO_HZ_COMMON=y
+CONFIG_NO_HZ_IDLE=y
+CONFIG_NR_CPUS=2
+CONFIG_OF=y
+CONFIG_OF_ADDRESS=y
+CONFIG_OF_ADDRESS_PCI=y
+CONFIG_OF_EARLY_FLATTREE=y
+CONFIG_OF_FLATTREE=y
+CONFIG_OF_GPIO=y
+CONFIG_OF_IOMMU=y
+CONFIG_OF_IRQ=y
+CONFIG_OF_MDIO=y
+CONFIG_OF_MTD=y
+CONFIG_OF_NET=y
+CONFIG_OF_PCI=y
+CONFIG_OF_PCI_IRQ=y
+CONFIG_OF_RESERVED_MEM=y
+CONFIG_OLD_SIGACTION=y
+CONFIG_OLD_SIGSUSPEND3=y
+CONFIG_PACKET_DIAG=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_PAGE_OFFSET=0xC0000000
+CONFIG_PCI=y
+CONFIG_PCIEAER=y
+CONFIG_PCIEASPM=y
+# CONFIG_PCIEASPM_DEBUG is not set
+CONFIG_PCIEASPM_DEFAULT=y
+# CONFIG_PCIEASPM_PERFORMANCE is not set
+# CONFIG_PCIEASPM_POWERSAVE is not set
+CONFIG_PCIEPORTBUS=y
+# CONFIG_PCIE_IPROC is not set
+CONFIG_PCIE_PME=y
+# CONFIG_PCI_DOMAINS_GENERIC is not set
+CONFIG_PCI_OXNAS=y
+CONFIG_PERF_USE_VMALLOC=y
+CONFIG_PGTABLE_LEVELS=2
+CONFIG_PHYLIB=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_OXNAS=y
+CONFIG_PLXTECH_RPS=y
+CONFIG_PM=y
+CONFIG_PM_CLK=y
+# CONFIG_PM_DEBUG is not set
+CONFIG_POWER_RESET=y
+# CONFIG_POWER_RESET_BRCMSTB is not set
+CONFIG_POWER_RESET_GPIO=y
+# CONFIG_POWER_RESET_GPIO_RESTART is not set
+# CONFIG_POWER_RESET_LTC2952 is not set
+# CONFIG_POWER_RESET_SYSCON is not set
+CONFIG_POWER_RESET_SYSCON_POWEROFF=y
+CONFIG_POWER_SUPPLY=y
+CONFIG_PPS=y
+CONFIG_PRINTK_TIME=y
+CONFIG_PTP_1588_CLOCK=y
+CONFIG_PWM=y
+# CONFIG_PWM_FSL_FTM is not set
+CONFIG_PWM_SYSFS=y
+CONFIG_RAS=y
+CONFIG_RATIONAL=y
+CONFIG_RCU_CPU_STALL_TIMEOUT=21
+CONFIG_RCU_STALL_COMMON=y
+CONFIG_REALTEK_PHY=y
+CONFIG_REGMAP=y
+CONFIG_REGMAP_MMIO=y
+CONFIG_RELAY=y
+CONFIG_RESET_CONTROLLER=y
+CONFIG_RESET_CONTROLLER_OXNAS=y
+CONFIG_RFS_ACCEL=y
+CONFIG_RPS=y
+CONFIG_RTC_CLASS=y
+# CONFIG_RTC_DRV_CMOS is not set
+CONFIG_RWSEM_SPIN_ON_OWNER=y
+CONFIG_RWSEM_XCHGADD_ALGORITHM=y
+CONFIG_SCHED_HRTICK=y
+CONFIG_SCSI=y
+CONFIG_SERIAL_8250_NR_UARTS=1
+CONFIG_SERIAL_8250_PCI=y
+CONFIG_SERIAL_8250_RUNTIME_UARTS=1
+# CONFIG_SERIAL_KGDB_NMI is not set
+CONFIG_SERIAL_OF_PLATFORM=y
+CONFIG_SMP=y
+CONFIG_SMP_ON_UP=y
+CONFIG_SOCK_DIAG=y
+CONFIG_SRCU=y
+CONFIG_STMMAC_ETH=y
+CONFIG_STMMAC_PLATFORM=y
+CONFIG_STOP_MACHINE=y
+# CONFIG_STRIP_ASM_SYMS is not set
+CONFIG_SWIOTLB=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_TREE_RCU=y
+CONFIG_UBIFS_FS=y
+# CONFIG_UBIFS_FS_ADVANCED_COMPR is not set
+CONFIG_UBIFS_FS_LZO=y
+CONFIG_UBIFS_FS_XZ=y
+CONFIG_UBIFS_FS_ZLIB=y
+CONFIG_UID16=y
+CONFIG_UNCOMPRESS_INCLUDE="mach/uncompress.h"
+CONFIG_USB=y
+CONFIG_USB_COMMON=y
+# CONFIG_USB_EHCI_HCD is not set
+CONFIG_USB_SUPPORT=y
+# CONFIG_USB_UHCI_HCD is not set
+CONFIG_USE_OF=y
+CONFIG_VECTORS_BASE=0xffff0000
+# CONFIG_VFIO is not set
+# CONFIG_VFP is not set
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_WATCHDOG_CORE=y
+CONFIG_WATCHDOG_NOWAYOUT=y
+CONFIG_XPS=y
+CONFIG_XZ_DEC_ARM=y
+CONFIG_XZ_DEC_BCJ=y
+CONFIG_ZBOOT_ROM_BSS=0
+CONFIG_ZBOOT_ROM_TEXT=0
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZONE_DMA_FLAG=0
#include <linux/slab.h>
#include <linux/gfp.h>
#include <linux/reset.h>
+#include <linux/version.h>
#include <asm/mach-types.h>
#include <asm/mach/map.h>
#include <asm/mach/arch.h>
static void __init ox820_timer_init(void)
{
of_clk_init(NULL);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
+ clocksource_of_init();
+#else
clocksource_probe();
+#endif
}
void ox820_init_early(void)
#include <linux/irqchip/chained_irq.h>
#include <linux/err.h>
#include <linux/io.h>
-#include <linux/irqchip.h>
+#include <linux/version.h>
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
+# include "irqchip.h"
+#else
+# include <linux/irqchip.h>
+#endif
struct rps_chip_data {
void __iomem *base;
unsigned long *out_hwirq,
unsigned int *out_type)
{
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
+ if (d->of_node != controller)
+#else
if (irq_domain_get_of_node(d) != controller)
+#endif
return -EINVAL;
if (intsize < 1)
return -EINVAL;
irq_hw_number_t hw)
{
irq_set_chip_and_handler(irq, &rps_chip, handle_level_irq);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
+ set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+#else
irq_set_probe(irq);
+#endif
irq_set_chip_data(irq, d->host_data);
return 0;
}
.xlate = rps_irq_domain_xlate,
};
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
+static void rps_handle_cascade_irq(unsigned int irq, struct irq_desc *desc)
+#else
static void rps_handle_cascade_irq(struct irq_desc *desc)
+#endif
{
struct rps_chip_data *chip_data = irq_desc_get_handler_data(desc);
struct irq_chip *chip = irq_desc_get_chip(desc);
cascade_irq = irq_find_mapping(chip_data->domain, rps_irq);
if (unlikely(rps_irq >= RPS_IRQ_COUNT))
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
+ handle_bad_irq(cascade_irq, desc);
+#else
handle_bad_irq(desc);
+#endif
else
generic_handle_irq(cascade_irq);
return 0;
}
+/* allow users to override the partition in DT using the cmdline */
+static const char * part_probes[] = { "cmdlinepart", "ofpart", NULL };
+
static struct platform_nand_data oxnas_nand_data = {
.chip = {
.nr_chips = 1,
.chip_delay = 30,
+ .part_probe_types = part_probes,
},
.ctrl = {
.probe = oxnas_nand_probe,
#include <linux/regmap.h>
#include <linux/reset.h>
#include <linux/stmmac.h>
+#include <linux/version.h>
#include <mach/hardware.h>
}
}
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
+static void *oxnas_gmac_probe(struct platform_device *pdev)
+{
+#else
static int oxnas_gmac_probe(struct platform_device *pdev)
{
struct plat_stmmacenet_data *plat_dat;
struct stmmac_resources stmmac_res;
int ret;
+#endif
struct device *dev = &pdev->dev;
struct oxnas_gmac *bsp_priv;
bsp_priv = devm_kzalloc(dev, sizeof(*bsp_priv), GFP_KERNEL);
if (!bsp_priv)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
+ return ERR_PTR(-ENOMEM);
+#else
return -ENOMEM;
+#endif
bsp_priv->clk = devm_clk_get(dev, "gmac");
if (IS_ERR(bsp_priv->clk))
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
+ return bsp_priv->clk;
+#else
return PTR_ERR(bsp_priv->clk);
+#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
+ return bsp_priv;
+#else
ret = stmmac_get_platform_resources(pdev, &stmmac_res);
if (ret)
return ret;
return ret;
return stmmac_dvr_probe(dev, plat_dat, &stmmac_res);
+#endif
}
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
+const struct stmmac_of_data oxnas_gmac_data = {
+ .has_gmac = 1,
+ .setup = oxnas_gmac_probe,
+ .init = oxnas_gmac_init,
+ .exit = oxnas_gmac_exit,
+};
+#else
static const struct of_device_id oxnas_gmac_match[] = {
{ .compatible = "plxtech,nas782x-gmac" },
{ }
},
};
module_platform_driver(oxnas_gmac_driver);
+#endif
MODULE_LICENSE("GPL v2");
/* Since we request GPIOs from ourself */
#include <linux/pinctrl/consumer.h>
#include <linux/spinlock.h>
+#include <linux/version.h>
#include "core.h"
.irq_set_type = gpio_irq_type,
};
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
+static void gpio_irq_handler(unsigned irq, struct irq_desc *desc)
+#else
static void gpio_irq_handler(struct irq_desc *desc)
+#endif
{
struct irq_chip *chip = irq_desc_get_chip(desc);
struct irq_data *idata = irq_desc_get_irq_data(desc);
irq_set_lockdep_class(virq, &gpio_lock_class);
irq_set_chip_and_handler(virq, &gpio_irqchip, handle_edge_irq);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
+ set_irq_flags(virq, IRQF_VALID);
+#endif
irq_set_chip_data(virq, oxnas_gpio);
return 0;
--- /dev/null
+--- a/arch/arm/include/asm/glue-cache.h
++++ b/arch/arm/include/asm/glue-cache.h
+@@ -156,11 +156,19 @@ static inline void nop_dma_unmap_area(co
+ #define __cpuc_flush_user_range __glue(_CACHE,_flush_user_cache_range)
+ #define __cpuc_coherent_kern_range __glue(_CACHE,_coherent_kern_range)
+ #define __cpuc_coherent_user_range __glue(_CACHE,_coherent_user_range)
++#ifndef CONFIG_DMA_CACHE_FIQ_BROADCAST
+ #define __cpuc_flush_dcache_area __glue(_CACHE,_flush_kern_dcache_area)
+
+ #define dmac_map_area __glue(_CACHE,_dma_map_area)
+ #define dmac_unmap_area __glue(_CACHE,_dma_unmap_area)
+ #define dmac_flush_range __glue(_CACHE,_dma_flush_range)
++#else
++#define __cpuc_flush_dcache_area __glue(fiq,_flush_kern_dcache_area)
++
++#define dmac_map_area __glue(fiq,_dma_map_area)
++#define dmac_unmap_area __glue(fiq,_dma_unmap_area)
++#define dmac_flush_range __glue(fiq,_dma_flush_range)
++#endif /* CONFIG_DMA_CACHE_FIQ_BROADCAST */
+ #endif
+
+ #endif
+--- a/arch/arm/mm/Kconfig
++++ b/arch/arm/mm/Kconfig
+@@ -858,6 +858,17 @@ config DMA_CACHE_RWFO
+ in hardware, other workarounds are needed (e.g. cache
+ maintenance broadcasting in software via FIQ).
+
++config DMA_CACHE_FIQ_BROADCAST
++ bool "Enable fiq broadcast DMA cache maintenance"
++ depends on CPU_V6K && SMP
++ select FIQ
++ help
++ The Snoop Control Unit on ARM11MPCore does not detect the
++ cache maintenance operations and the dma_{map,unmap}_area()
++ functions may leave stale cache entries on other CPUs. By
++ enabling this option, fiq broadcast in the ARMv6
++ DMA cache maintenance functions is performed.
++
+ config OUTER_CACHE
+ bool
+
+--- a/arch/arm/mm/flush.c
++++ b/arch/arm/mm/flush.c
+@@ -314,7 +314,11 @@ void flush_dcache_page(struct page *page
+
+ mapping = page_mapping(page);
+
++#ifndef CONFIG_DMA_CACHE_FIQ_BROADCAST
+ if (!cache_ops_need_broadcast() &&
++#else
++ if (
++#endif
+ mapping && !page_mapped(page))
+ clear_bit(PG_dcache_clean, &page->flags);
+ else {
--- /dev/null
+--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
++++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
+@@ -149,6 +149,7 @@ pericom Pericom Technology Inc.
+ phytec PHYTEC Messtechnik GmbH
+ picochip Picochip Ltd
+ plathome Plat'Home Co., Ltd.
++plxtech PLX Technology, Inc.
+ pixcir PIXCIR MICROELECTRONICS Co., Ltd
+ powervr PowerVR (deprecated, use img)
+ qca Qualcomm Atheros, Inc.
--- /dev/null
+--- a/arch/arm/Kconfig
++++ b/arch/arm/Kconfig
+@@ -600,6 +600,18 @@ config ARCH_LPC32XX
+ help
+ Support for the NXP LPC32XX family of processors
+
++config ARCH_OXNAS
++ bool "Oxford Semiconductor 815/820/825 NAS SoC"
++ select ARCH_REQUIRE_GPIOLIB
++ select CLKDEV_LOOKUP
++ select GENERIC_CLOCKEVENTS
++ select COMMON_CLK
++ select MIGHT_HAVE_PCI
++ select ARCH_HAS_RESET_CONTROLLER
++ help
++ This enables support for Oxford 815/820/825 NAS SoC
++ later renamed to PLXTECH NAS782x.
++
+ config ARCH_PXA
+ bool "PXA2xx/PXA3xx-based"
+ depends on MMU
+@@ -898,6 +910,8 @@ source "arch/arm/mach-omap2/Kconfig"
+
+ source "arch/arm/mach-orion5x/Kconfig"
+
++source "arch/arm/mach-oxnas/Kconfig"
++
+ source "arch/arm/mach-picoxcell/Kconfig"
+
+ source "arch/arm/mach-pxa/Kconfig"
+--- a/arch/arm/Makefile
++++ b/arch/arm/Makefile
+@@ -195,6 +195,7 @@ machine-$(CONFIG_ARCH_NSPIRE) += nspire
+ machine-$(CONFIG_ARCH_OMAP1) += omap1
+ machine-$(CONFIG_ARCH_OMAP2PLUS) += omap2
+ machine-$(CONFIG_ARCH_ORION5X) += orion5x
++machine-$(CONFIG_ARCH_OXNAS) += oxnas
+ machine-$(CONFIG_ARCH_PICOXCELL) += picoxcell
+ machine-$(CONFIG_ARCH_PXA) += pxa
+ machine-$(CONFIG_ARCH_QCOM) += qcom
+--- a/arch/arm/boot/dts/Makefile
++++ b/arch/arm/boot/dts/Makefile
+@@ -442,6 +442,7 @@ dtb-$(CONFIG_ARCH_ORION5X) += \
+ orion5x-lacie-ethernet-disk-mini-v2.dtb \
+ orion5x-maxtor-shared-storage-2.dtb \
+ orion5x-rd88f5182-nas.dtb
++dtb-$(CONFIG_ARCH_OXNAS) += ox820-pogoplug-pro.dtb
+ dtb-$(CONFIG_ARCH_PRIMA2) += \
+ prima2-evb.dtb
+ dtb-$(CONFIG_ARCH_QCOM) += \
+--- a/arch/arm/tools/mach-types
++++ b/arch/arm/tools/mach-types
+@@ -228,6 +228,7 @@ edb9302a MACH_EDB9302A EDB9302A 1127
+ edb9307a MACH_EDB9307A EDB9307A 1128
+ omap_3430sdp MACH_OMAP_3430SDP OMAP_3430SDP 1138
+ vstms MACH_VSTMS VSTMS 1140
++ox820 MACH_OX820 OX820 1152
+ micro9m MACH_MICRO9M MICRO9M 1169
+ bug MACH_BUG BUG 1179
+ at91sam9263ek MACH_AT91SAM9263EK AT91SAM9263EK 1202
+--- a/drivers/clk/Makefile
++++ b/drivers/clk/Makefile
+@@ -32,6 +32,7 @@ obj-$(CONFIG_ARCH_MB86S7X) += clk-mb86s
+ obj-$(CONFIG_ARCH_MOXART) += clk-moxart.o
+ obj-$(CONFIG_ARCH_NOMADIK) += clk-nomadik.o
+ obj-$(CONFIG_ARCH_NSPIRE) += clk-nspire.o
++obj-$(CONFIG_ARCH_OXNAS) += clk-oxnas.o
+ obj-$(CONFIG_COMMON_CLK_PALMAS) += clk-palmas.o
+ obj-$(CONFIG_CLK_QORIQ) += clk-qoriq.o
+ obj-$(CONFIG_COMMON_CLK_RK808) += clk-rk808.o
--- /dev/null
+--- a/drivers/clocksource/Kconfig
++++ b/drivers/clocksource/Kconfig
+@@ -177,6 +177,12 @@ config VF_PIT_TIMER
+ help
+ Support for Period Interrupt Timer on Freescale Vybrid Family SoCs.
+
++config CLKSRC_RPS_TIMER
++ def_bool y if ARCH_OXNAS
++ select CLKSRC_MMIO
++ help
++ This option enables support for the oxnas rps timers.
++
+ config SYS_SUPPORTS_SH_CMT
+ bool
+
+--- a/drivers/clocksource/Makefile
++++ b/drivers/clocksource/Makefile
+@@ -39,6 +39,7 @@ obj-$(CONFIG_CLKSRC_EFM32) += time-efm32
+ obj-$(CONFIG_CLKSRC_EXYNOS_MCT) += exynos_mct.o
+ obj-$(CONFIG_CLKSRC_SAMSUNG_PWM) += samsung_pwm_timer.o
+ obj-$(CONFIG_FSL_FTM_TIMER) += fsl_ftm_timer.o
++obj-$(CONFIG_CLKSRC_RPS_TIMER) += oxnas_rps_timer.o
+ obj-$(CONFIG_VF_PIT_TIMER) += vf_pit_timer.o
+ obj-$(CONFIG_CLKSRC_QCOM) += qcom-timer.o
+ obj-$(CONFIG_MTK_TIMER) += mtk_timer.o
--- /dev/null
+--- a/drivers/irqchip/Kconfig
++++ b/drivers/irqchip/Kconfig
+@@ -27,6 +27,11 @@ config ARM_GIC_V3_ITS
+ bool
+ select PCI_MSI_IRQ_DOMAIN
+
++config PLXTECH_RPS
++ def_bool y if ARHC_OXNAS
++ depends on ARCH_OXNAS
++ select IRQ_DOMAIN
++
+ config ARM_NVIC
+ bool
+ select IRQ_DOMAIN
+--- a/drivers/irqchip/Makefile
++++ b/drivers/irqchip/Makefile
+@@ -31,6 +31,7 @@ obj-$(CONFIG_IMGPDC_IRQ) += irq-imgpdc.
+ obj-$(CONFIG_SIRF_IRQ) += irq-sirfsoc.o
+ obj-$(CONFIG_RENESAS_INTC_IRQPIN) += irq-renesas-intc-irqpin.o
+ obj-$(CONFIG_RENESAS_IRQC) += irq-renesas-irqc.o
++obj-$(CONFIG_PLXTECH_RPS) += irq-rps.o
+ obj-$(CONFIG_VERSATILE_FPGA_IRQ) += irq-versatile-fpga.o
+ obj-$(CONFIG_ARCH_NSPIRE) += irq-zevio.o
+ obj-$(CONFIG_ARCH_VT8500) += irq-vt8500.o
+--- a/drivers/irqchip/irq-gic.c
++++ b/drivers/irqchip/irq-gic.c
+@@ -1036,6 +1036,7 @@ IRQCHIP_DECLARE(arm1176jzf_dc_gic, "arm,
+ IRQCHIP_DECLARE(cortex_a15_gic, "arm,cortex-a15-gic", gic_of_init);
+ IRQCHIP_DECLARE(cortex_a9_gic, "arm,cortex-a9-gic", gic_of_init);
+ IRQCHIP_DECLARE(cortex_a7_gic, "arm,cortex-a7-gic", gic_of_init);
++IRQCHIP_DECLARE(arm11_mpcore_gic, "arm,arm11mp-gic", gic_of_init);
+ IRQCHIP_DECLARE(msm_8660_qgic, "qcom,msm-8660-qgic", gic_of_init);
+ IRQCHIP_DECLARE(msm_qgic2, "qcom,msm-qgic2", gic_of_init);
+
--- /dev/null
+--- a/drivers/pinctrl/Kconfig
++++ b/drivers/pinctrl/Kconfig
+@@ -191,6 +191,15 @@ config PINCTRL_COH901
+ COH 901 335 and COH 901 571/3. They contain 3, 5 or 7
+ ports of 8 GPIO pins each.
+
++config PINCTRL_OXNAS
++ bool "OXNAS pinctrl driver"
++ depends on OF
++ depends on ARCH_OXNAS
++ select PINMUX
++ select PINCONF
++ help
++ Say Y here to enable the oxnas pinctrl driver
++
+ config PINCTRL_PALMAS
+ bool "Pinctrl driver for the PALMAS Series MFD devices"
+ depends on OF && MFD_PALMAS
+--- a/drivers/pinctrl/Makefile
++++ b/drivers/pinctrl/Makefile
+@@ -17,6 +17,7 @@ obj-$(CONFIG_PINCTRL_AT91) += pinctrl-at
+ obj-$(CONFIG_PINCTRL_AMD) += pinctrl-amd.o
+ obj-$(CONFIG_PINCTRL_FALCON) += pinctrl-falcon.o
+ obj-$(CONFIG_PINCTRL_MESON) += meson/
++obj-$(CONFIG_PINCTRL_OXNAS) += pinctrl-oxnas.o
+ obj-$(CONFIG_PINCTRL_PALMAS) += pinctrl-palmas.o
+ obj-$(CONFIG_PINCTRL_ROCKCHIP) += pinctrl-rockchip.o
+ obj-$(CONFIG_PINCTRL_SINGLE) += pinctrl-single.o
--- /dev/null
+--- a/drivers/pci/host/Kconfig
++++ b/drivers/pci/host/Kconfig
+@@ -125,4 +125,9 @@ config PCIE_IPROC_PLATFORM
+ Say Y here if you want to use the Broadcom iProc PCIe controller
+ through the generic platform bus interface
+
++config PCI_OXNAS
++ bool "PLX Oxnas PCIe controller"
++ depends on ARCH_OXNAS
++ select PCIEPORTBUS
++
+ endmenu
+--- a/drivers/pci/host/Makefile
++++ b/drivers/pci/host/Makefile
+@@ -3,6 +3,7 @@ obj-$(CONFIG_PCI_DRA7XX) += pci-dra7xx.o
+ obj-$(CONFIG_PCI_EXYNOS) += pci-exynos.o
+ obj-$(CONFIG_PCI_IMX6) += pci-imx6.o
+ obj-$(CONFIG_PCI_MVEBU) += pci-mvebu.o
++obj-$(CONFIG_PCI_OXNAS) += pcie-oxnas.o
+ obj-$(CONFIG_PCI_TEGRA) += pci-tegra.o
+ obj-$(CONFIG_PCI_RCAR_GEN2) += pci-rcar-gen2.o
+ obj-$(CONFIG_PCI_RCAR_GEN2_PCIE) += pcie-rcar.o
--- /dev/null
+--- a/drivers/reset/Kconfig
++++ b/drivers/reset/Kconfig
+@@ -12,4 +12,9 @@ menuconfig RESET_CONTROLLER
+
+ If unsure, say no.
+
++config RESET_CONTROLLER_OXNAS
++ bool
++ select RESET_CONTROLLER
++
+ source "drivers/reset/sti/Kconfig"
++
+--- a/drivers/reset/Makefile
++++ b/drivers/reset/Makefile
+@@ -1,4 +1,5 @@
+ obj-$(CONFIG_RESET_CONTROLLER) += core.o
++obj-$(CONFIG_RESET_CONTROLLER_OXNAS) += reset-ox820.o
+ obj-$(CONFIG_ARCH_SOCFPGA) += reset-socfpga.o
+ obj-$(CONFIG_ARCH_BERLIN) += reset-berlin.o
+ obj-$(CONFIG_ARCH_SUNXI) += reset-sunxi.o
--- /dev/null
+--- a/drivers/mtd/nand/Kconfig
++++ b/drivers/mtd/nand/Kconfig
+@@ -530,4 +530,12 @@ config MTD_NAND_HISI504
+ help
+ Enables support for NAND controller on Hisilicon SoC Hip04.
+
++config MTD_NAND_OXNAS
++ tristate "Support for NAND on Plxtech NAS782X SoC"
++ depends on ARCH_OXNAS
++ select MTD_NAND_PLATFORM
++ help
++ Enables support for NAND Flash chips on Plxtech NAS782X SoCs. NAND is attached
++ to the STATIC Unit.
++
+ endif # MTD_NAND
+--- a/drivers/mtd/nand/Makefile
++++ b/drivers/mtd/nand/Makefile
+@@ -45,6 +45,7 @@ obj-$(CONFIG_MTD_NAND_SOCRATES) += socr
+ obj-$(CONFIG_MTD_NAND_TXX9NDFMC) += txx9ndfmc.o
+ obj-$(CONFIG_MTD_NAND_NUC900) += nuc900_nand.o
+ obj-$(CONFIG_MTD_NAND_MPC5121_NFC) += mpc5121_nfc.o
++obj-$(CONFIG_MTD_NAND_OXNAS) += oxnas_nand.o
+ obj-$(CONFIG_MTD_NAND_RICOH) += r852.o
+ obj-$(CONFIG_MTD_NAND_JZ4740) += jz4740_nand.o
+ obj-$(CONFIG_MTD_NAND_GPMI_NAND) += gpmi-nand/
--- /dev/null
+--- a/drivers/ata/Kconfig
++++ b/drivers/ata/Kconfig
+@@ -402,6 +402,13 @@ config SATA_VITESSE
+
+ If unsure, say N.
+
++config SATA_OXNAS
++ tristate "PLXTECH NAS782X SATA support"
++ help
++ This option enables support for Nas782x Serial ATA controller.
++
++ If unsure, say N.
++
+ comment "PATA SFF controllers with BMDMA"
+
+ config PATA_ALI
+--- a/drivers/ata/Makefile
++++ b/drivers/ata/Makefile
+@@ -37,6 +37,7 @@ obj-$(CONFIG_SATA_SVW) += sata_svw.o
+ obj-$(CONFIG_SATA_ULI) += sata_uli.o
+ obj-$(CONFIG_SATA_VIA) += sata_via.o
+ obj-$(CONFIG_SATA_VITESSE) += sata_vsc.o
++obj-$(CONFIG_SATA_OXNAS) += sata_oxnas.o
+
+ # SFF PATA w/ BMDMA
+ obj-$(CONFIG_PATA_ALI) += pata_ali.o
--- /dev/null
+--- a/drivers/net/ethernet/stmicro/stmmac/Kconfig
++++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig
+@@ -20,7 +20,7 @@ config STMMAC_PLATFORM
+ ---help---
+ This selects the platform specific bus support for the stmmac driver.
+ This is the driver used on several SoCs:
+- STi, Allwinner, Amlogic Meson, Altera SOCFPGA.
++ STi, Allwinner, Amlogic Meson, Altera SOCFPGA and Oxnas.
+
+ If you have a controller with this interface, say Y or M here.
+
+--- a/drivers/net/ethernet/stmicro/stmmac/Makefile
++++ b/drivers/net/ethernet/stmicro/stmmac/Makefile
+@@ -5,8 +5,9 @@ stmmac-objs:= stmmac_main.o stmmac_ethto
+ mmc_core.o stmmac_hwtstamp.o stmmac_ptp.o $(stmmac-y)
+
+ obj-$(CONFIG_STMMAC_PLATFORM) += stmmac-platform.o
+-stmmac-platform-objs:= stmmac_platform.o dwmac-meson.o dwmac-sunxi.o \
+- dwmac-sti.o dwmac-socfpga.o dwmac-rk.o
++stmmac-platform-objs:= stmmac_platform.o dwmac-meson.o dwmac-oxnas.o \
++ dwmac-sunxi.o dwmac-sti.o dwmac-socfpga.o \
++ dwmac-rk.o
+
+ obj-$(CONFIG_STMMAC_PCI) += stmmac-pci.o
+ stmmac-pci-objs:= stmmac_pci.o
+--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
++++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+@@ -34,6 +34,7 @@
+
+ static const struct of_device_id stmmac_dt_ids[] = {
+ /* SoC specific glue layers should come before generic bindings */
++ { .compatible = "plxtech,nas782x-gmac", .data = &oxnas_gmac_data},
+ { .compatible = "rockchip,rk3288-gmac", .data = &rk3288_gmac_data},
+ { .compatible = "amlogic,meson6-dwmac", .data = &meson6_dwmac_data},
+ { .compatible = "allwinner,sun7i-a20-gmac", .data = &sun7i_gmac_data},
+--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h
++++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h
+@@ -25,5 +25,6 @@ extern const struct stmmac_of_data stih4
+ extern const struct stmmac_of_data stid127_dwmac_data;
+ extern const struct stmmac_of_data socfpga_gmac_data;
+ extern const struct stmmac_of_data rk3288_gmac_data;
++extern const struct stmmac_of_data oxnas_gmac_data;
+
+ #endif /* __STMMAC_PLATFORM_H__ */
--- /dev/null
+--- a/drivers/usb/host/Kconfig
++++ b/drivers/usb/host/Kconfig
+@@ -313,6 +313,13 @@ config USB_OCTEON_EHCI
+ USB 2.0 device support. All CN6XXX based chips with USB are
+ supported.
+
++config USB_EHCI_OXNAS
++ tristate "OXNAS EHCI Module"
++ depends on USB_EHCI_HCD && ARCH_OXNAS
++ select USB_EHCI_ROOT_HUB_TT
++ ---help---
++ Enable support for the OX820 SOC's on-chip EHCI controller.
++
+ endif # USB_EHCI_HCD
+
+ config USB_OXU210HP_HCD
+--- a/drivers/usb/host/Makefile
++++ b/drivers/usb/host/Makefile
+@@ -42,6 +42,7 @@ obj-$(CONFIG_USB_EHCI_HCD_AT91) += ehci-
+ obj-$(CONFIG_USB_EHCI_MSM) += ehci-msm.o
+ obj-$(CONFIG_USB_EHCI_TEGRA) += ehci-tegra.o
+ obj-$(CONFIG_USB_W90X900_EHCI) += ehci-w90x900.o
++obj-$(CONFIG_USB_EHCI_OXNAS) += ehci-oxnas.o
+
+ obj-$(CONFIG_USB_OXU210HP_HCD) += oxu210hp-hcd.o
+ obj-$(CONFIG_USB_ISP116X_HCD) += isp116x-hcd.o
--- /dev/null
+--- a/arch/arm/boot/dts/Makefile
++++ b/arch/arm/boot/dts/Makefile
+@@ -442,7 +442,10 @@ dtb-$(CONFIG_ARCH_ORION5X) += \
+ orion5x-lacie-ethernet-disk-mini-v2.dtb \
+ orion5x-maxtor-shared-storage-2.dtb \
+ orion5x-rd88f5182-nas.dtb
+-dtb-$(CONFIG_ARCH_OXNAS) += ox820-pogoplug-pro.dtb
++dtb-$(CONFIG_ARCH_OXNAS) += ox820-pogoplug-pro.dtb \
++ ox820-pogoplug-v3.dtb \
++ ox820-stg212.dtb \
++ ox820-kd20.dtb
+ dtb-$(CONFIG_ARCH_PRIMA2) += \
+ prima2-evb.dtb
+ dtb-$(CONFIG_ARCH_QCOM) += \
--- /dev/null
+--- a/drivers/ata/libata-core.c
++++ b/drivers/ata/libata-core.c
+@@ -1589,6 +1589,14 @@ unsigned ata_exec_internal_sg(struct ata
+ return AC_ERR_SYSTEM;
+ }
+
++ if (ap->ops->acquire_hw && !ap->ops->acquire_hw(ap, 0, 0)) {
++ spin_unlock_irqrestore(ap->lock, flags);
++ if (!ap->ops->acquire_hw(ap, 1, (2*HZ))) {
++ return AC_ERR_TIMEOUT;
++ }
++ spin_lock_irqsave(ap->lock, flags);
++ }
++
+ /* initialize internal qc */
+
+ /* XXX: Tag 0 is used for drivers with legacy EH as some
+@@ -4780,6 +4788,9 @@ struct ata_queued_cmd *ata_qc_new_init(s
+ if (unlikely(ap->pflags & ATA_PFLAG_FROZEN))
+ return NULL;
+
++ if (ap->ops->qc_new && ap->ops->qc_new(ap))
++ return NULL;
++
+ /* libsas case */
+ if (ap->flags & ATA_FLAG_SAS_HOST) {
+ tag = ata_sas_allocate_tag(ap);
+@@ -4825,6 +4836,8 @@ void ata_qc_free(struct ata_queued_cmd *
+ qc->tag = ATA_TAG_POISON;
+ if (ap->flags & ATA_FLAG_SAS_HOST)
+ ata_sas_free_tag(tag, ap);
++ if (ap->ops->qc_free)
++ ap->ops->qc_free(qc);
+ }
+ }
+
+--- a/include/linux/libata.h
++++ b/include/linux/libata.h
+@@ -905,6 +905,8 @@ struct ata_port_operations {
+ void (*qc_prep)(struct ata_queued_cmd *qc);
+ unsigned int (*qc_issue)(struct ata_queued_cmd *qc);
+ bool (*qc_fill_rtf)(struct ata_queued_cmd *qc);
++ int (*qc_new)(struct ata_port *ap);
++ void (*qc_free)(struct ata_queued_cmd *qc);
+
+ /*
+ * Configuration and exception handling
+@@ -995,6 +997,9 @@ struct ata_port_operations {
+ void (*phy_reset)(struct ata_port *ap);
+ void (*eng_timeout)(struct ata_port *ap);
+
++ int (*acquire_hw)(struct ata_port *ap, int may_sleep,
++ int timeout_jiffies);
++
+ /*
+ * ->inherits must be the last field and all the preceding
+ * fields must be pointers.
projects / openwrt / staging / hauke.git / commitdiff